158334145 has 4 divisors (see below), whose sum is σ = 190000980. Its totient is φ = 126667312.

The previous prime is 158334109. The next prime is 158334149. The reversal of 158334145 is 541433851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70274689 + 88059456 = 8383^2 + 9384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158334145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158334145.

It is not an unprimeable number, because it can be changed into a prime (158334149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15833410 + ... + 15833419.

It is an arithmetic number, because the mean of its divisors is an integer number (47500245).

Almost surely, 2^158334145 is an apocalyptic number.

It is an amenable number.

158334145 is a deficient number, since it is larger than the sum of its proper divisors (31666835).

158334145 is an equidigital number, since it uses as much as digits as its factorization.

158334145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31666834.

The product of its digits is 28800, while the sum is 34.

The square root of 158334145 is about 12583.0896444395. The cubic root of 158334145 is about 540.9928521918.

Adding to 158334145 its reverse (541433851), we get a palindrome (699767996).

The spelling of 158334145 in words is "one hundred fifty-eight million, three hundred thirty-four thousand, one hundred forty-five".